Man Lā Yaḥḍuruh al-Faqīh

Hadith 680
mosque
716 - وَقَالَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: «مَنْ أَسْرَجَ فِي مَسْجِدٍ مِنْ مَسَاجِدِ اَللَّهِ سِرَاجاً لَمْ تَزَلِ اَلْمَلاَئِكَةُ وَ حَمَلَةُ اَلْعَرْشِ يَسْتَغْفِرُونَ لَهُ مَا دَامَ فِي ذَلِكَ اَلْمَسْجِدِ ضَوْءٌ مِنَ اَلسِّرَاجِ.
Hadith.716 - The Messenger of Allah (sw) said: "Whoever lights a lamp in one of the mosques of Allah (swt), the angels and the bearers of the Throne will continue to seek forgiveness for them as long as there remains any light from that lamp in the mosque."
Source: Shaykh Muḥammad b. ʿAlī al-Ṣaduq